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CVE-2026-12220 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based overflow

🗓️ 15 Jun 2026 04:45:10Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2026-12220: Yealink SIP-T46U firmware chunk upload handler overflow via uid in accupgradebychunk; local network exploit.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-12220
15 Jun 202607:00
circl
CVE
CVE-2026-12220
15 Jun 202604:45
cve
EUVD
EUVD-2026-36693
15 Jun 202604:45
euvd
NVD
CVE-2026-12220
15 Jun 202606:16
nvd
Positive Technologies
PT-2026-49181
15 Jun 202600:00
ptsecurity
[
  {
    "vendor": "Yealink",
    "product": "SIP-T46U",
    "versions": [
      {
        "version": "108.86.0.118",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "Firmware Chunk Upload handler"
    ]
  }
]

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